<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Accept a Drop - jQuery EasyUI Demo</title>
    <link rel="stylesheet" type="text/css" href="../../themes/default/easyui.css">
    <link rel="stylesheet" type="text/css" href="../../themes/icon.css">
    <link rel="stylesheet" type="text/css" href="../demo.css">
    <script type="text/javascript" src="../../jquery.min.js"></script>
    <script type="text/javascript" src="../../jquery.easyui.min.js"></script>
</head>
<body>
<h2>Accept a Drop</h2>
<div class="demo-info">
    <div class="demo-tip icon-tip"></div>
    <div>Some draggable object can not be accepted.</div>
</div>
<div style="margin:10px 0;"></div>
<div id="source" style="border:1px solid #ccc;width:300px;height:400px;float:left;margin:5px;">
    drag me!
    <div id="d1" class="drag">Drag 1</div>
    <div id="d2" class="drag">Drag 2</div>
    <div id="d3" class="drag">Drag 3</div>
</div>
<div id="target" style="border:1px solid #ccc;width:300px;height:400px;float:left;margin:5px;">
    drop here!
</div>
<div style="clear:both"></div>
<style type="text/css">
    .drag {
        width: 100px;
        height: 50px;
        padding: 10px;
        margin: 5px;
        border: 1px solid #ccc;
        background: #AACCFF;
    }

    .dp {
        opacity: 0.5;
        filter: alpha(opacity=50);
    }

    .over {
        background: #FBEC88;
    }
</style>
<script>
    $(function () {
        $('.drag').draggable({
            proxy: 'clone',
            revert: true,
            cursor: 'auto',
            onStartDrag: function () {
                $(this).draggable('options').cursor = 'not-allowed';
                $(this).draggable('proxy').addClass('dp');
            },
            onStopDrag: function () {
                $(this).draggable('options').cursor = 'auto';
            }
        });
        $('#target').droppable({
            accept: '#d1,#d3',
            onDragEnter: function (e, source) {
                $(source).draggable('options').cursor = 'auto';
                $(source).draggable('proxy').css('border', '1px solid red');
                $(this).addClass('over');
            },
            onDragLeave: function (e, source) {
                $(source).draggable('options').cursor = 'not-allowed';
                $(source).draggable('proxy').css('border', '1px solid #ccc');
                $(this).removeClass('over');
            },
            onDrop: function (e, source) {
                $(this).append(source)
                $(this).removeClass('over');
            }
        });
    });
</script>

</body>
</html>